WO2014007622A1 - Lipase in short-chain esterification of fatty acids - Google Patents
Lipase in short-chain esterification of fatty acids Download PDFInfo
- Publication number
- WO2014007622A1 WO2014007622A1 PCT/NL2013/050489 NL2013050489W WO2014007622A1 WO 2014007622 A1 WO2014007622 A1 WO 2014007622A1 NL 2013050489 W NL2013050489 W NL 2013050489W WO 2014007622 A1 WO2014007622 A1 WO 2014007622A1
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- WO
- WIPO (PCT)
- Prior art keywords
- fatty acids
- fatty acid
- patatin
- methanol
- feed stock
- Prior art date
Links
- 235000014113 dietary fatty acids Nutrition 0.000 title claims abstract description 102
- 239000000194 fatty acid Substances 0.000 title claims abstract description 102
- 229930195729 fatty acid Natural products 0.000 title claims abstract description 102
- 150000004665 fatty acids Chemical class 0.000 title claims abstract description 80
- 108090001060 Lipase Proteins 0.000 title abstract description 26
- 102000004882 Lipase Human genes 0.000 title abstract description 26
- 239000004367 Lipase Substances 0.000 title abstract description 22
- 235000019421 lipase Nutrition 0.000 title abstract description 22
- 238000005886 esterification reaction Methods 0.000 title abstract description 18
- 230000032050 esterification Effects 0.000 title description 10
- 101710091688 Patatin Proteins 0.000 claims abstract description 63
- 238000000034 method Methods 0.000 claims abstract description 39
- 238000004519 manufacturing process Methods 0.000 claims abstract description 7
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 96
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 75
- 150000001298 alcohols Chemical class 0.000 claims description 29
- 239000003225 biodiesel Substances 0.000 claims description 10
- 150000004667 medium chain fatty acids Chemical class 0.000 claims description 8
- 150000004666 short chain fatty acids Chemical class 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 7
- 125000004494 ethyl ester group Chemical group 0.000 claims description 5
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- 244000061456 Solanum tuberosum Species 0.000 abstract description 26
- 235000002595 Solanum tuberosum Nutrition 0.000 abstract description 26
- 235000019626 lipase activity Nutrition 0.000 abstract description 4
- 235000012015 potatoes Nutrition 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 description 21
- 102000004169 proteins and genes Human genes 0.000 description 21
- 108090000623 proteins and genes Proteins 0.000 description 21
- WWZKQHOCKIZLMA-UHFFFAOYSA-N octanoic acid Chemical compound CCCCCCCC(O)=O WWZKQHOCKIZLMA-UHFFFAOYSA-N 0.000 description 20
- 239000012429 reaction media Substances 0.000 description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 19
- 150000002148 esters Chemical class 0.000 description 17
- 235000021588 free fatty acids Nutrition 0.000 description 16
- 239000000203 mixture Substances 0.000 description 16
- 150000003904 phospholipids Chemical class 0.000 description 14
- 239000002904 solvent Substances 0.000 description 13
- POULHZVOKOAJMA-UHFFFAOYSA-N dodecanoic acid Chemical compound CCCCCCCCCCCC(O)=O POULHZVOKOAJMA-UHFFFAOYSA-N 0.000 description 12
- 150000003839 salts Chemical class 0.000 description 11
- OBETXYAYXDNJHR-UHFFFAOYSA-N alpha-ethylcaproic acid Natural products CCCCC(CC)C(O)=O OBETXYAYXDNJHR-UHFFFAOYSA-N 0.000 description 10
- 239000012535 impurity Substances 0.000 description 10
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 10
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical class OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 7
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 6
- 239000005639 Lauric acid Substances 0.000 description 6
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 6
- 239000003463 adsorbent Substances 0.000 description 6
- 238000000855 fermentation Methods 0.000 description 6
- 230000004151 fermentation Effects 0.000 description 6
- 235000015203 fruit juice Nutrition 0.000 description 6
- 230000009257 reactivity Effects 0.000 description 6
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 5
- 235000019387 fatty acid methyl ester Nutrition 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 5
- 239000003921 oil Substances 0.000 description 5
- 235000019198 oils Nutrition 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 238000003786 synthesis reaction Methods 0.000 description 5
- 241000196324 Embryophyta Species 0.000 description 4
- 102000004190 Enzymes Human genes 0.000 description 4
- 108090000790 Enzymes Proteins 0.000 description 4
- NHTMVDHEPJAVLT-UHFFFAOYSA-N Isooctane Chemical compound CC(C)CC(C)(C)C NHTMVDHEPJAVLT-UHFFFAOYSA-N 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 125000002252 acyl group Chemical group 0.000 description 4
- JVSWJIKNEAIKJW-UHFFFAOYSA-N dimethyl-hexane Natural products CCCCCC(C)C JVSWJIKNEAIKJW-UHFFFAOYSA-N 0.000 description 4
- 239000003480 eluent Substances 0.000 description 4
- 239000003925 fat Substances 0.000 description 4
- 235000019197 fats Nutrition 0.000 description 4
- 239000003960 organic solvent Substances 0.000 description 4
- 239000006228 supernatant Substances 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 102000003886 Glycoproteins Human genes 0.000 description 3
- 108090000288 Glycoproteins Proteins 0.000 description 3
- 241001465754 Metazoa Species 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 238000005377 adsorption chromatography Methods 0.000 description 3
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 3
- 150000001768 cations Chemical class 0.000 description 3
- 239000007795 chemical reaction product Substances 0.000 description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N glycerol group Chemical group OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- 238000004128 high performance liquid chromatography Methods 0.000 description 3
- 150000004668 long chain fatty acids Chemical class 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 239000000376 reactant Substances 0.000 description 3
- 235000021391 short chain fatty acids Nutrition 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 102000004157 Hydrolases Human genes 0.000 description 2
- 108090000604 Hydrolases Proteins 0.000 description 2
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 2
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 2
- 239000000370 acceptor Substances 0.000 description 2
- 230000001580 bacterial effect Effects 0.000 description 2
- 230000002051 biphasic effect Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 238000011143 downstream manufacturing Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- -1 fatty acid esters Chemical class 0.000 description 2
- 238000005189 flocculation Methods 0.000 description 2
- 230000016615 flocculation Effects 0.000 description 2
- 229930008677 glyco alkaloid Natural products 0.000 description 2
- 230000007062 hydrolysis Effects 0.000 description 2
- 238000006460 hydrolysis reaction Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- JGHZJRVDZXSNKQ-UHFFFAOYSA-N methyl octanoate Chemical compound CCCCCCCC(=O)OC JGHZJRVDZXSNKQ-UHFFFAOYSA-N 0.000 description 2
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 2
- 108091075678 patatin family Proteins 0.000 description 2
- 239000001814 pectin Substances 0.000 description 2
- 229920001277 pectin Polymers 0.000 description 2
- 235000010987 pectin Nutrition 0.000 description 2
- 239000000137 peptide hydrolase inhibitor Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000011541 reaction mixture Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 150000003626 triacylglycerols Chemical class 0.000 description 2
- 235000015112 vegetable and seed oil Nutrition 0.000 description 2
- 239000008158 vegetable oil Substances 0.000 description 2
- 150000004669 very long chain fatty acids Chemical class 0.000 description 2
- 229940044613 1-propanol Drugs 0.000 description 1
- ZIIUUSVHCHPIQD-UHFFFAOYSA-N 2,4,6-trimethyl-N-[3-(trifluoromethyl)phenyl]benzenesulfonamide Chemical compound CC1=CC(C)=CC(C)=C1S(=O)(=O)NC1=CC=CC(C(F)(F)F)=C1 ZIIUUSVHCHPIQD-UHFFFAOYSA-N 0.000 description 1
- 244000215068 Acacia senegal Species 0.000 description 1
- 208000016444 Benign adult familial myoclonic epilepsy Diseases 0.000 description 1
- 244000060011 Cocos nucifera Species 0.000 description 1
- 235000013162 Cocos nucifera Nutrition 0.000 description 1
- 229920000084 Gum arabic Polymers 0.000 description 1
- 239000005641 Methyl octanoate Substances 0.000 description 1
- 108010084311 Novozyme 435 Proteins 0.000 description 1
- 102000015439 Phospholipases Human genes 0.000 description 1
- 108010064785 Phospholipases Proteins 0.000 description 1
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical class [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 1
- 229940124158 Protease/peptidase inhibitor Drugs 0.000 description 1
- 229920002684 Sepharose Polymers 0.000 description 1
- 241000519995 Stachys sylvatica Species 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- 229920004890 Triton X-100 Polymers 0.000 description 1
- 239000000205 acacia gum Substances 0.000 description 1
- 235000010489 acacia gum Nutrition 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 230000001476 alcoholic effect Effects 0.000 description 1
- 150000007824 aliphatic compounds Chemical class 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 150000001491 aromatic compounds Chemical class 0.000 description 1
- 239000012496 blank sample Substances 0.000 description 1
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 1
- 239000004327 boric acid Substances 0.000 description 1
- 235000014121 butter Nutrition 0.000 description 1
- 238000011088 calibration curve Methods 0.000 description 1
- 150000001720 carbohydrates Chemical class 0.000 description 1
- 235000014633 carbohydrates Nutrition 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 210000000170 cell membrane Anatomy 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- SUHOQUVVVLNYQR-MRVPVSSYSA-N choline alfoscerate Chemical compound C[N+](C)(C)CCOP([O-])(=O)OC[C@H](O)CO SUHOQUVVVLNYQR-MRVPVSSYSA-N 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 235000019864 coconut oil Nutrition 0.000 description 1
- 239000003240 coconut oil Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000004925 denaturation Methods 0.000 description 1
- 230000036425 denaturation Effects 0.000 description 1
- 229940042399 direct acting antivirals protease inhibitors Drugs 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 208000016427 familial adult myoclonic epilepsy Diseases 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 244000144992 flock Species 0.000 description 1
- 230000002538 fungal effect Effects 0.000 description 1
- 229960004956 glycerylphosphorylcholine Drugs 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 150000002632 lipids Chemical class 0.000 description 1
- 230000002366 lipolytic effect Effects 0.000 description 1
- 238000000622 liquid--liquid extraction Methods 0.000 description 1
- 150000004702 methyl esters Chemical class 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002417 nutraceutical Substances 0.000 description 1
- 235000021436 nutraceutical agent Nutrition 0.000 description 1
- MYSFLUCHHGIXIT-UHFFFAOYSA-N octanoic acid;hydrate Chemical compound O.CCCCCCCC(O)=O MYSFLUCHHGIXIT-UHFFFAOYSA-N 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000012074 organic phase Substances 0.000 description 1
- DVDUMIQZEUTAGK-UHFFFAOYSA-N p-nitrophenyl butyrate Chemical compound CCCC(=O)OC1=CC=C([N+]([O-])=O)C=C1 DVDUMIQZEUTAGK-UHFFFAOYSA-N 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 159000000001 potassium salts Chemical class 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 238000011002 quantification Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000001117 sulphuric acid Substances 0.000 description 1
- 235000011149 sulphuric acid Nutrition 0.000 description 1
- 239000003760 tallow Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
- C12P7/00—Preparation of oxygen-containing organic compounds
- C12P7/64—Fats; Fatty oils; Ester-type waxes; Higher fatty acids, i.e. having at least seven carbon atoms in an unbroken chain bound to a carboxyl group; Oxidised oils or fats
- C12P7/6436—Fatty acid esters
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B3/00—Refining fats or fatty oils
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23C—DAIRY PRODUCTS, e.g. MILK, BUTTER OR CHEESE; MILK OR CHEESE SUBSTITUTES; MAKING THEREOF
- A23C19/00—Cheese; Cheese preparations; Making thereof
- A23C19/06—Treating cheese curd after whey separation; Products obtained thereby
- A23C19/09—Other cheese preparations; Mixtures of cheese with other foodstuffs
- A23C19/0921—Addition, to cheese or curd, of minerals, including organic salts thereof, trace elements, amino acids, peptides, protein hydrolysates, nucleic acids, yeast extracts or autolysate, vitamins or derivatives of these compounds
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23C—DAIRY PRODUCTS, e.g. MILK, BUTTER OR CHEESE; MILK OR CHEESE SUBSTITUTES; MAKING THEREOF
- A23C19/00—Cheese; Cheese preparations; Making thereof
- A23C19/02—Making cheese curd
- A23C19/04—Making cheese curd characterised by the use of specific enzymes of vegetable or animal origin
- A23C19/043—Enzymes other than proteolytic enzymes or milk clotting enzymes, e.g. lipase, lysosyme
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23C—DAIRY PRODUCTS, e.g. MILK, BUTTER OR CHEESE; MILK OR CHEESE SUBSTITUTES; MAKING THEREOF
- A23C19/00—Cheese; Cheese preparations; Making thereof
- A23C19/02—Making cheese curd
- A23C19/05—Treating milk before coagulation; Separating whey from curd
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23C—DAIRY PRODUCTS, e.g. MILK, BUTTER OR CHEESE; MILK OR CHEESE SUBSTITUTES; MAKING THEREOF
- A23C19/00—Cheese; Cheese preparations; Making thereof
- A23C19/06—Treating cheese curd after whey separation; Products obtained thereby
- A23C19/063—Addition of, or treatment with, enzymes or cell-free extracts of microorganisms
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11C—FATTY ACIDS FROM FATS, OILS OR WAXES; CANDLES; FATS, OILS OR FATTY ACIDS BY CHEMICAL MODIFICATION OF FATS, OILS, OR FATTY ACIDS OBTAINED THEREFROM
- C11C3/00—Fats, oils, or fatty acids by chemical modification of fats, oils, or fatty acids obtained therefrom
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11C—FATTY ACIDS FROM FATS, OILS OR WAXES; CANDLES; FATS, OILS OR FATTY ACIDS BY CHEMICAL MODIFICATION OF FATS, OILS, OR FATTY ACIDS OBTAINED THEREFROM
- C11C3/00—Fats, oils, or fatty acids by chemical modification of fats, oils, or fatty acids obtained therefrom
- C11C3/02—Fats, oils, or fatty acids by chemical modification of fats, oils, or fatty acids obtained therefrom by esterification of fatty acids with glycerol
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
- C12P7/00—Preparation of oxygen-containing organic compounds
- C12P7/62—Carboxylic acid esters
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
- C12P7/00—Preparation of oxygen-containing organic compounds
- C12P7/64—Fats; Fatty oils; Ester-type waxes; Higher fatty acids, i.e. having at least seven carbon atoms in an unbroken chain bound to a carboxyl group; Oxidised oils or fats
- C12P7/6436—Fatty acid esters
- C12P7/649—Biodiesel, i.e. fatty acid alkyl esters
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12Y—ENZYMES
- C12Y301/00—Hydrolases acting on ester bonds (3.1)
- C12Y301/01—Carboxylic ester hydrolases (3.1.1)
- C12Y301/01003—Triacylglycerol lipase (3.1.1.3)
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
Definitions
- lipases are capable of catalysing the formation of esters in organic media.
- carboxylic acids can be converted to esters in the presence of sufficient free hydroxy-substituted compounds.
- lipases are common in the industry. Examples include racemic drug resolution, fat and lipid modification, flavour synthesis and the
- lipases that are presently in use are obtained using fungal or bacterial fermentation systems, although animal-derived lipases see some use as well. Plant-derived lipases are relatively rare for industrial applications.
- lipases tend to be of low purity on both a total- and protein-basis and also contain high amounts of
- lipase preparations generally contain a broad variety of nonprotein material, salts and non-lipase enzymes (Bjurlin et al 2001 JAOCS 78-2 p 153-160).
- Phospholipids present in cell membranes, are an important constituent of these impurities.
- the commonly used lipase enzyme Novozyme 435 requires degummed oils in order to produce esters from the oil; the presence of phospholipids inhibits the esterification reaction. Lipases generally have difficulties to cope with high amounts of impurities, which leads to inefficient synthesis of fatty acid esters.
- a plant-derived lipase enzyme can be obtained from potato.
- Potato proteins can be divided into three categories: (i) the patatin family, highly homologous acidic 43 kDa glycoproteins (40-50 wt.% of the potato proteins), (ii) basic 5-25 kDa protease inhibitors (30-40 wt.% of the potato proteins) and (iii) other proteins mostly high molecular weight proteins (10-20 wt.% of the potato proteins).
- the patatin family is known to have some lipase activity, and can be obtained via a single-step chromatographic process followed by concentration and drying. A highly convenient process for the isolation of among others patatin with high purity is described in application WO2008/069650.
- potato proteins including the potato protein lipase called patatin, have been mainly used as feedstock for animals because of a lack of practical commercial use.
- patatin can be used to make esters from C4-C26 fatty acids, preferably C4-C12 fatty acids and more preferably C6-C10 fatty acids, most preferably Cs - C10 fatty acids.
- Esters obtained with the method of the invention are prepared from C1-C3 alcohols, preferably monohydroxyalcohols, more preferably ethanol or methanol, and most preferably methanol.
- Figure 1 Residual lipase activity at varying methanol concentrations
- Figure 2 Thin-layer Chromatogram of Fatty Acid Alkyl Esters (FAAE) synthesised by patatin.
- Lane 1 contains free fatty acid (FFA, specifically lauric acid, C12)
- lane 2 contains coconut-oil based FAME
- lanes 3 through 7 contain the reaction products of lauric acid with methanol, ethanol, n-propanol, isopropanol and n-butanol respectively.
- FFAAE Fatty Acid Alkyl Esters
- Figure 3 Precipitation of fatty acids in the presence of increased salt concentration. Left: non-precipitated octanoic acid in a biphasic system of octanoic acid and demi-water. Right: precipitation of the fatty acid octanoic acid in a biphasic system of octanoic acid and a saturated aqueous KC1 solution.
- patatin is understood to mean the high molecular weight (HMW) fraction of native potato protein isolates, a highly homologous family of glycoproteins having a molecular weight of 30 kDa or more, preferably 35 kDa or more and more preferably of about 43 kDa, and an isoelectric point of less than 5.8, preferably between 4.8 and 5.5, which makes up about 40-50 wt.% of the potato proteins.
- Patatin is a family of glycoproteins that displays acyl-hydrolase reactivity and accounts for up to 40 wt % of the total soluble protein in potato tubers.
- WO2008/069650 an elaborate description of the isolation of patatin from potato fruit juice (PFJ) or potato fruit water (PFW) is described, which is incorporated herein by reference.
- That process entails subjecting potato fruit juice to a flocculation by a divalent metal cation at a pH of 7-9, and centrifuging the flocculated potato fruit juice, thereby forming a supernatant. Subsequently, the supernatant is subjected to expanded bed adsorption chromatography operated at a pH of less than 11, and a temperature of 5-35 °C using an adsorbent capable of binding potato protein, thereby adsorbing the native potato protein to the adsorbent. Finally, at least one native potato protein isolate is eluted from the adsorbent with an eluent. This method results among others in isolated native patatin of high purity, with a minimum of denatured protein present and characterised by a stable solubility. The potato fruit juice is pre-treated with a divalent metal cation at a pH of
- a particularly suitable divalent metal cation is Ca 2+ .
- This pre-treatment removes undesired material such as negatively charged polymers, pectins, glycoalkaloids, and micro-organisms from the potato fruit juice. In particular, the removal of pectins and
- glycoalkaloids is advantageous, since these compounds adhere to the potato proteins and may cause flocculation, thereby leading to an unstable protein isolate in terms of solubility and other physical properties.
- the supernatant is subjected to
- the expanded bed adsorption chromatography is operated at a pH of less than 11, preferably at a pH of less than 10.
- the native potato proteins in the pre-treated potato fruit juice are isolated from the supernatant by binding them onto a suitable adsorbent in the expanded bed adsorption column.
- Column materials that bind certain amounts of native potato proteins include mixed-mode adsorbentia such as Amersham StreamlineTM Direct CST I (GE Healthcare), Fastline adsorbentia (Upfront
- adsorbentia such as AmberliteTM XAD7HP (Rohm & Haas Company) and ion exchange adsorbents.
- the adsorbent with adsorbed native potato proteins is subsequently eluted with a suitable eluent in order to retrieve the native potato protein isolate, such as patatin.
- the eluent preferably has a pH in the range of 4-12, more preferably in the range of 5.5-11.0.
- the proteins can be fractionated to both isoelectric point and molecular weight. This allows separation of for instance patatin and protease inhibitor fractions. Patatin isolates are eluted at a pH of 5.7-8.7, preferably at a pH of 5.8-6.5.
- Acyl -hydrolase reactivity is generally understood as the ability of a (class of) enzyme(s) to catalyse the hydrolysis of an ester bond by a water molecule to form the constituent carboxylic acid and alcohol.
- This reaction can be reversed by suitable adaptation of the reaction conditions, in which case esterification of a carboxylic acid and an alcohol occurs.
- Reaction conditions that may influence the direction of the reaction include for instance temperature, reactant identity, and/or the amount of water, carboxylic acid and alcohol present.
- patatin has a relatively sturdy resistance against an organic environment.
- patatin is isolated from common plant material, it is easy to obtain in large quantities, much easier than the isolated lipases obtained from a fermentation broth and cumbersome downstream processing. For this reason, patatin is highly suitable for preparation of esters of C 4 -
- C26 fatty acids preferably C 4 -C i2 fatty acids and more preferably C6-C10 fatty acids, most preferably Cs - C10 fatty acids.
- the esters are obtained by reaction with alcohols, preferably small molecular alcohols, i.e. C1-C3 alcohols.
- the small molecular alcohols may be supplied pure or as a mixture of several small molecular alcohols.
- monohydroxyalcohols are used, even more preferably ethanol or methanol, and most preferably methanol.
- methyl and ethyl esters of C4-C26 fatty acids preferably C4-C12 fatty acids and more preferably C6-C10 fatty acids, most preferably Cs - C10 fatty acids are prepared, using Ci or C2
- monohydroxyalcohols i.e. methanol or ethanol, or a mixture thereof.
- the acyl hydrolase reactivity of patatin according to the present invention can result in esterification of fatty acids with small molecular alcohols. This way, the acyl- hydrolase reactivity of patatin can be used to synthesize esters. Therefore, patatin can be used in a method for the production of short-chain fatty acid alkyl esters, even if this mixture contains large amounts of impurities.
- the present invention is directed to a method for preparing, preferably selectively, a fatty acid alkyl ester comprising providing a liquid medium comprising one or more C 4 - C26 fatty acids, one or more C1-C3 alcohols and native patatin and allowing the one or more fatty acids to react with the one or more alcohols to obtain the fatty acid alkyl ester.
- the fatty acids are C 4 - C26 fatty acids, preferably C 4 - C12 fatty acids, more preferably C&- C10 fatty acids and most preferably Cs - C10 fatty acids.
- the one or more Ci - C3 alcohols are comprise preferably one or more monohydroxyalcohols, among which n-propanol, i-propanol, ethanol and/or methanol, and more preferably methanol and/or ethanol are used.
- the alcohol is methanol and/or ethanol
- the fatty acid is a C 4 - C12 fatty acid
- the fatty acid alkyl ester is a methyl or ethyl ester of a C 4 - C12 fatty acid.
- Fatty acid chains are categorised by chain length as short to very long:
- Short-chain fatty acids are fatty acids shorter than C6.
- Medium-chain fatty acids are Ce - C12 fatty acids.
- LCFA Long-chain fatty acids
- VLCFA Very long chain fatty acids
- lipases are sensitive to impurities present in the esterification mixture. Patatin, on the other hand, is much less sensitive to impurities, in particular to phospholipids.
- an advantage of the method of the present invention is that the fatty acid feed stock may contain higher amounts of impurities, in particular phospholipids, than for other lipases.
- phospholipids often inhibits the esterification reaction. For this reason, phospholipids have to be removed from the fatty acid feed stock. This leads to a more expensive feed stock, and thus to a more expensive product. Thus, the ester products can be made much cheaper using patatin than with other lipase-based esterification processes.
- the fatty acids in the method of the present invention can be supplied by a fatty acid feed stock.
- This feed stock is a solid or liquid medium comprising, among others, fatty acids for use in the present invention.
- the feed stock is a liquid medium.
- the liquid medium may comprise a solvent, but it is also possible to carry out the method of the invention without the use of a solvent, e.g. under conditions where the medium is molten.
- the fatty acid feed stock comprises at least one of the C4-C26 fatty acids, or any mixture of C4-C26 fatty acids, to result in esters of C4-C26 fatty acids.
- the feed stock for reaction with an alcohol according to the present invention comprises at least one or any mixture of short or medium chain fatty acids, i.e. C4-C 12 fatty acids. More preferably the feedstock comprises at least one or any mixture of C6-C10 fatty acids, most preferably Cs - C10 fatty acids. This results in esters of C4-C12 fatty acids, preferably of C6-C10 fatty acids, most preferably of Cs - C10 fatty acids.
- the fatty acids in the fatty acid feed stock may be present in any form, such as bound to glycerol in the form of mono-, di-, and/or triglycerides, but the feed stock may also comprise phospholipids or partially hydrolysed
- fatty acids may be present in the feed stock as free fatty acids.
- a mixture of any or all of these components may be present, as well as other, non-fatty acid bound components.
- the fatty acids are present in the feed stock, at least in a significant amount, as free fatty acids.
- a significant amount in this context is 6 g/L, preferably higher 90 g/L.
- free fatty acids may be present in relatively large amounts.
- the amount of free fatty acids expressed as a percentage of the total amount of fatty acids present in the fatty acid feed stock, is at least 25 wt.%, preferably higher than 40 wt.%, based on the weight of the feed stock.
- suitable fatty acid feed stocks are animal fats or oils, vegetable oils, among which hydrolyzed and/or oxidized vegetable oils such as for example used frying oil, spoiled butter fat and low-quality tallow.
- the fatty acid feed stock is a fermentation sludge. Because the use of patatin according to the present method increases the tolerance for impurities, a fermentation sludge feed stock is well-suited for esterification of the fatty acids it contains with alcohols. It is a distinct advantage of the present invention that impurities, among which importantly phospholipids, can be present in the reaction medium in large quantities without impeding the esterification reaction.
- the alcohols for use in the present invention are at least one C 1-C3 alcohol, preferably a monohydroxyalcohol, and more preferably methanol and/or ethanol.
- esters of these alcohols with short-chain fatty acids tend to be highly fragrant, while esters with medium- or long chain fatty acids advantageously can function as biodiesel.
- the C1-C3 monohydroxyalcohols are terminal alcohols, i.e. methanol, ethanol and 1- propanol. More preferably however, the alcohol is a C1-C2 alcohol, i.e. methanol or ethanol. Most preferred however is the use of methanol as a fatty acid acceptor. Shorter-chain alcohols are preferred because of their higher reactivity with fatty acids in the presence of patatin.
- patatin in a method according to the present invention, can be present immobihzed on a carrier, but is preferably used without a carrier.
- Carriers for the immobilization of lipases are well known in the art.
- An example is celite. Thus, it may be present in a dissolved or molecularly dispersed form, depending on the nature of the reaction medium. It is preferred that the patatin is freely suspended in the reaction medium.
- lipases generally require large amounts of salts, such as up to 50 % potassium salts, to stabilize them in free solution. Salts, however, have an impeding effect on the esterification reaction of fatty acids because it induces crystallization. For this reason in the prior art lipases are typically used in immobilized form on a carrier. Patatin does not require salt stabilization to be used without a carrier, i.e. in freely suspended in the medium, for which reason it is particularly suitable for esterifying fatty acids with low molecular weight alcohols according to the invention.
- the reaction medium in which the method of the invention is performed is preferably liquid, and comprises at least the fatty acid feed stock and or more alcohols of the invention.
- the medium may comprise a solvent such as water and/or an organic compound such as a solvent, for example an aliphatic compound, an ether, ester or aromatic compound.
- the invention can function with a water content in the reaction medium of up to 91 vol.%, based on the volume of the reaction medium.
- the water content is lower than 73 vol.%, even more preferably lower than 40 vol.%, more preferably below 19 vol.%, based on the volume of the reaction medium.
- the water content in the reaction medium is above 50 vol.% based on the volume of the reaction medium, it is called aqueous.
- the method of the invention may also be performed in an essentially organic medium, at a water content of below 50 vol.%, based on the volume of the reaction medium.
- the water content in the reaction vessel may be as low as 5 vol.%, or even be as low as 2 vol.%, based on the volume of the reaction medium. It is preferred that at least some water, i.e. at least 2 vol.%, based on the volume of the reaction medium, is present, even if the method is carried out in an essentially organic medium.
- the fatty acid feed stock is diluted with at least the alcohol of the present invention, which may function as a solvent as well as a reactant in this embodiment. It is also possible to use a different solvent, which may be suitably selected to achieve a ready dissolution of all the reaction components. Suitable examples include octane, iso-octane, pentane, hexane, heptane, petroleum ether and butanol. Preferred solvents are octane and iso-octane. It will be understood that it is also possible to use a combination of solvents, including a combination of one or more solvent and the alcohol functioning as solvent.
- the concentration of fatty acids in the reaction medium is preferably between 12 and 84 wt.%, based on the weight of the reaction medium.
- these fatty acids are present in the form of free fatty acids.
- the concentration of the alcohol in the reaction medium is preferably in slight molar excess relative to the free fatty acids.
- the free fatty acid is preferably present in concentrations above 80 wt.%, more preferably above 84 wt.%, based on the weight of the reaction medium.
- the free fatty acid is present in concentrations above 10 wt.%, more preferably 12 wt.%, based on the weight of the reaction medium.
- the patatin is present in a concentration of 1 wt.%, more preferably 10 wt.%, based on the amount of fatty acid.
- the invention also discloses a method for the preparation, preferably selectively, of a fatty acid alkyl ester comprising mixing in any order native patatin with fatty acids, one or more alcohols and optionally other components, wherein the mixture comprises significant amounts of phospholipids, and allow esterification to occur, wherein the fatty acids preferably comprise short or medium-chain fatty acids, and wherein the alcohols are C1-C3
- the fatty acid alkyl ester is a C1-C3 ester of a C 4 - C12 fatty acid, preferably a methyl or ethyl ester.
- the mixing is preferably carried out such that the patatin will be freely suspended in the reaction medium.
- the alcohol can advantageously be added in aliquots at distinct intervals or continuously throughout the reaction to control the reaction rate and to avoid enzyme denaturation. Of course, in order to achieve a good yield of the reaction, the total amount of alcohol will have to be sufficient to achieve the desired conversion.
- a method according to the invention is carried out in the absence of an additional solvent.
- the reaction medium comprises fatty acid feed stock comprising short or medium-chain fatty acids, and the alcohol, preferably methanol or ethanol.
- the method is preferably carried out under conditions where the medium is molten.
- the reaction conditions can be optimized by the skilled person on the basis of his common general knowledge. For instance, the reaction
- reaction temperature is not critical as long as it does not affect the stability and reactivity of the patatin.
- the reaction is carried out under ambient conditions, or at a temperature above the melting point of the fatty acid feed stock. Suitable reaction temperatures generally lie between 10 and 75°C, preferably between 15 and 60°C, more preferably between 20 and 45°C.
- the fatty acid alkyl esters that are obtained are isolated from the reaction mixture and optionally further purified, for example by
- the method of the present invention can conveniently be used for producing biodiesel.
- the present invention discloses a method for producing biodiesel, comprising mixing patatin with a fatty acid feed stock and with one or more C1-C3 alcohols, wherein the fatty acid feed stock comprises one or more C4-C26 fatty acids, and allowing the one or more fatty acids to react with the one or more alcohols.
- the patatin is preferably freely suspended in the feed stock.
- patatin is easily accessible from a common plant, and can be isolated in large quantities. Also, patatin can produce biodiesel from a feedstock comprising relatively large amounts of impurities such as phospholipids. Finally, the presence of salt raises the melting point of fatty acids to be converted to biodiesel. Because in contrast to other lipases, salt stabilization of freely suspended patatin is not required, the negative effect of the presence of salt during biodiesel production is avoided when using patatin. This results in fatty acid alkyl esters according to the present invention, which can be used as biodiesel. The invention is further illustrated by the following, non-restrictive examples.
- a prime example is the production of biodiesel from triglycerides or free fatty acids.
- low MW alcohols are used as acyl acceptors to form fatty acid alkyl esters (FAAEs).
- FAEs fatty acid alkyl esters
- Methanol is the preferred alcohol because of the price and the quality of the resulting biodiesel.
- Such an approach can tolerate water in the reaction mixture, but does require enzymes that survive high concentrations of alcohol to provide the driving force for the reaction to occur.
- Patatin Solanic 206P was brought into contact with 1 mM of the chromogenic paranitrophenyl butyrate in 10 mM pH 6.5 buffer at varying methanol concentrations. Patatin activities in these systems were determined by measuring the increase in absorbence at 405 nm on a BioRad Model 680 plate reader and are expressed in mOD / minute. The results show that patatin can tolerate up to 20 % methanol without loss of activity, and that more than 40 % methanol can be present before all activity is lost.
- Example 2 Synthesis of fatty acid alkyl esters by patatin in molten substrate
- patatin Solanic 206P
- lauric acid Merck 8.05333
- ethanol Prolabo 83804.360
- n- propanol Alfa Aesar A19902
- isopropanol Prolabo 437423R
- n-butanol Merk 1.01990.
- Demineralised water was added to create a 20% (v:v) alcoholic solution in water. The mixtures were incubated overnight at 45°C under vigorous agitation.
- a reference fatty acid methyl ester (FAME) was prepared by dissolving 1 gram of coconut fat (SigmaAldrich C1758) in 100 mL of methanol contain 1.85% of concentrated hydrochloric acid (Merck 1.00317) and refluxing the mixture for 4 hours. The reaction product was evaporated to yield a clear yellow oil.
- Reaction products were analysed by TLC on silica plates (Uniplate Z26529-2) that were pretreated with 2.4% boric acid (Fluka 15663) in 50% aqueous ethanol.
- the developed TLC plate shows free lauric acid in lane 1 at roughly the halfway height and FAMEs running close the front in lane 2.
- Lauric acid incubated with patatin and alcohols shows residual amounts of free fatty acid halfway from the bottom and fatty acid alkyl esters at the front, near the top of the plate.
- Patatin catalyses the formation of FAAEs from free fatty acids and small alcohols, with the highest conversion occurring for methanol, ethanol and n-propanol, in that order.
- Example 3 Synthesis of fatty acid alkyl esters by patatin in organic solvent
- Octanoic acid (Merck 8.00192.1000) and 20% methanol (Merck liChrosolv 1.06007.1000) were mixed in isooctane (SigmaAldrich 360597) so that octanoic acid and methanol were in approximately equimolar quantities (11.0 mL of octanoic acid and 16.8 mL of 20% methanol in isooctane).
- 500 mg of patatin Solanic 206P
- 40 mg of water were added.
- a blank sample was prepared in the same way but leaving out patatin.
- the reaction was performed in closed tubes which were heated in a water bath with a closed lid. The solutions were incubated for four hours at 50C .
- 50% acetonitrile eluens was prepared by mixing with milliQ water and 0.5 ⁇ filtration. The column was preconditioned with eluens. Samples were injected directly in acetonitril and eluted on a 50 to 100% acetonitril gradient over the course of 20 minutes. Quantification of fatty acid methyl ester was performed against a calibration curve prepared from pure methyl octanoate (SigmaAldrich 260673-23G).
- the patatin sample showed a 12% conversion of octanoic acid into the corresponding methyl ester, indicating successful esterification.
- Example 4 Phospholipase activity of patatin Phospholipids of distinct acyl chain lengths were dispersed in aqueous solutions containing 0.5% gum Arabic and 100 mM of Triton X100 by sonicating for 30 minutes. Patatin was added in quantities up to 100 mg and the consumption of sodium hydroxide was monitored by means of a pH stat setup operating at pH 7.5.
- Diacyl-glycerophosphocholines of chain lengths up to 9 are susceptible towards patatin hydrolysis.
- Table 2 Patatin activity towards various substrates in mmol / minute / g patatin at ambient temperature.
- octanoic acid 1 mL aliquots of octanoic acid (Merck 8.00192.1000) were mixed with either demineralised water or a saturated potassium chloride (SigmaAldrich P9311) solution and briefly heated to 50°C. Upon cooling, the octanoic acid - salt solution mixture showed turbidity in the organic phase and a soapy scum on the interface while the octanoic acid- water mixture remained clear and free of soap. Turbidity indicates partial precipitation. The results show that the presence of salt makes the handling of free fatty acids more difficult.
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MX2014014866A MX362234B (es) | 2012-07-04 | 2013-07-03 | Lipasa en esterificacion de acidos grasos de cadena corta. |
JP2015520092A JP6230601B2 (ja) | 2012-07-04 | 2013-07-03 | 脂肪酸の短鎖エステル化におけるリパーゼ |
CA2873378A CA2873378C (en) | 2012-07-04 | 2013-07-03 | Lipase in short-chain esterification of fatty acids |
EA201491987A EA027459B1 (ru) | 2012-07-04 | 2013-07-03 | Липаза в короткоцепочечной этерификации жирных кислот |
BR112014032741-6A BR112014032741B1 (pt) | 2012-07-04 | 2013-07-03 | Método para seletivamente preparar um éster de alquila de ácido graxo |
US14/411,954 US10034485B2 (en) | 2012-07-04 | 2013-07-03 | Lipase in short-chain esterification of fatty acids |
EP13739849.1A EP2870253A1 (en) | 2012-07-04 | 2013-07-03 | Lipase in short-chain esterification of fatty acids |
CN201380035725.8A CN104428420B (zh) | 2012-07-04 | 2013-07-03 | 脂肪酸短链酯化中的脂肪酶 |
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CA3237785A1 (en) * | 2017-03-31 | 2018-10-04 | J.R. Simplot Company | Potato protein powders |
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EP3944769A1 (en) | 2020-07-30 | 2022-02-02 | Coöperatie Koninklijke Avebe U.A. | Patatin as binder in meat substitutes |
EP4301156A1 (en) * | 2021-03-02 | 2024-01-10 | Coöperatie Koninklijke Avebe U.A. | Patatin-emulsified binder |
CA3227059A1 (en) | 2021-07-29 | 2023-02-02 | Robin Eric Jacobus Spelbrink | Patatin as binder in food products other than meat substitutes |
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US6398707B1 (en) * | 2001-05-31 | 2002-06-04 | Wen-Teng Wu | Method of preparing lower alkyl fatty acids esters and in particular biodiesel |
WO2008069650A1 (en) | 2006-11-10 | 2008-06-12 | Coöperatie Avebe U.A. | Native potato protein isolates |
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US7943360B2 (en) * | 2002-04-19 | 2011-05-17 | Verenium Corporation | Phospholipases, nucleic acids encoding them and methods for making and using them |
US7226771B2 (en) * | 2002-04-19 | 2007-06-05 | Diversa Corporation | Phospholipases, nucleic acids encoding them and methods for making and using them |
AU2004277368B2 (en) * | 2003-03-07 | 2011-01-20 | Dsm Ip Assets B.V. | Hydrolases, nucleic acids encoding them and mehods for making and using them |
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US20110211679A1 (en) * | 2010-02-26 | 2011-09-01 | Vladimir Mezhibovsky | Voice Response Processing |
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US20150189896A1 (en) | 2015-07-09 |
EA201491986A1 (ru) | 2015-05-29 |
EP2870252A1 (en) | 2015-05-13 |
BR112014032741A2 (pt) | 2017-06-27 |
WO2014007621A1 (en) | 2014-01-09 |
EA025269B1 (ru) | 2016-12-30 |
EP2870253A1 (en) | 2015-05-13 |
CA2873366C (en) | 2021-06-15 |
CN104428420B (zh) | 2018-06-01 |
MX362234B (es) | 2019-01-09 |
EA025269B9 (ru) | 2017-03-31 |
BR112014032741B1 (pt) | 2022-01-25 |
CA2873378C (en) | 2020-01-14 |
PL2870252T3 (pl) | 2020-07-13 |
MX2014014876A (es) | 2015-03-09 |
JP6231091B2 (ja) | 2017-11-15 |
CN104428420A (zh) | 2015-03-18 |
MX357703B (es) | 2018-07-20 |
US10034485B2 (en) | 2018-07-31 |
BR112014032171A2 (pt) | 2017-06-27 |
MX2014014866A (es) | 2015-04-08 |
JP2015521845A (ja) | 2015-08-03 |
CN104428419A (zh) | 2015-03-18 |
US20150140618A1 (en) | 2015-05-21 |
EA027459B1 (ru) | 2017-07-31 |
EP2870252B1 (en) | 2020-01-22 |
EA201491987A1 (ru) | 2015-06-30 |
JP2015527060A (ja) | 2015-09-17 |
DK2870252T3 (da) | 2020-03-16 |
CA2873366A1 (en) | 2014-01-09 |
CA2873378A1 (en) | 2014-01-09 |
JP6230601B2 (ja) | 2017-11-15 |
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